Viessmann vitodens Technical Manual
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Viessmann vitodens Technical Manual

Gas fired condensing boiler
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VITODENS
Gas fired condensing boiler
4.5 to 66.0 kW
Technical guide
Vitodens 333
Vitodens 300
to 35 kW
Vitodens 200
Gas fired wall mounted condensing boiler,
8.8 to 26.0 kW,
for natural gas and LPG
Vitodens 300
Gas fired wall mounted condensing boiler,
4.5 to 66.0 kW,
for natural gas and LPG
Vitodens 333
Compact gas fired condensing boiler,
4.5 to 26.0 kW,
for natural gas and LPG
5822 310 GB
5/2004

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  • Page 1 VITODENS Gas fired condensing boiler 4.5 to 66.0 kW Technical guide Vitodens 333 Vitodens 300 to 35 kW Vitodens 200 Gas fired wall mounted condensing boiler, 8.8 to 26.0 kW, for natural gas and LPG Vitodens 300 Gas fired wall mounted condensing boiler, 4.5 to 66.0 kW,...
  • Page 2 For further details contact our central customer service desk on telephone number (+49 64 52) 70 36 30. Note In the following, these symbols are used to assist you in locating details regarding Vitodens 200, 300 and 333. VITODENS...

  • Page 3: Table Of Contents

    ....................1.6 Installation accessories Vitodens 200 and 300 (up to 35 kW) .

  • Page 4: Product Description

    H Use in rented accommodation and in leased properties. The Vitodens 200 gas fired wall mounted New for all Vitodens wall mounted boiler offers high quality condensing boilers: the rear venting function. For this,...

  • Page 5: Installation

    H Vitodens 300 with 4.5 to 12.0 kW H MatriX compact gas burner, diagnostic system and Optolink laptop automatically regulates to achieve modulation range 1 : 4.
  • Page 6 DHW cylinder installed below the boiler. The Vitodens 333 compact boiler combines The MatriX compact gas burner ensures the benefits of the Vitodens 300 condensing environmentally responsible operation boiler with those of a powerful DHW with extremely clean combustion.

  • Page 7: Specification

    1.2 Specification Vitodens 200 1.2 Specification Gas fired boiler, series C Gas fired boiler Gas fired combination boiler Category II 2ELL 3P Rated output range = 50/30 ºC 8.8 26.0 8.8 26.0 = 80/60 ºC 8 24.7 8 24.7 Rated thermal load 8.4 25.7...
  • Page 8 = 80/60 ºC litres/day Flue outlet Internal ∅ mm Ventilation pipe External ∅ mm " For the specification of Viessmann modular components, see the folder Vitotec 1. Installation on finished walls Installation on unfinished walls SVL/ SVL/ SRL/ SRL/...
  • Page 9 1.2 Specification Vitodens 300 Gas fired boiler, series B and C, Gas fired boiler Gas fired Category I (natural gas version) combination 2ELL Category II (LPG version) boiler 2ELL 3P Rated output range *2, *3 = 50/30 ºC 4.5 12.0/16.0 6.6 26.0...
  • Page 10 The flue gas temperature at a return temperature of 60 ºC is used to determine the application range of flue pipes with maximum permissible operating temperatures. " For the specification of Viessmann modular components, see the folder Vitotec 1. VITODENS...
  • Page 11 1.2 Specification Vitodens 300 Vitodens 300, 26.0 to 35.0 kW Installation on finished walls Installation on unfinished walls SVL/ SVL/ SRL/ SRL/ HV GA HR HV GA HR (length) 480 (width) 480 (width) OKFF OKFF Finished wall Obligatory in conjunction with DHW cylinders installed below the boiler. Otherwise, recommendation only.
  • Page 12 1.2 Specification Vitodens 300 Vitodens 300 from 49.0 kW 550 (length) 600 (width) OKFF Key to symbols ADG Expansion vessel (G 1") ATR Drain funnel connection Gas connection Heating return Heating flow Boiler adaptor OKFF Top edge finished floor Safety valve SRL Cylinder return G 1½"...
  • Page 13 1.2 Specification Vitodens 333 Specification Gas fired boiler, series B and C, Category I (natural gas version) 2ELL Category II (LPG version) 2ELL 3P Rated output range *2, *3 = 50/30 ºC 4.5 12.0/16.0 6.6 26.0 = 80/60 ºC 4.0 11.0 6.0 23.7...
  • Page 14 The flue gas temperature at a return temperature of 60 ºC is used to determine the application range of flue pipes with maximum permissible operating temperatures. " For the specification of Viessmann modular components, see the folder Vitotec 1. VITODENS...
  • Page 15 1.2 Specification Vitodens 333 588 (length) 600 (width) min. 100 Key to symbols A Wall clearance with connection set Gas connection (accessory) Heating return B Wall clearance with on-site Heating flow connection Boiler adaptor C Aperture for electrical supply cables...

  • Page 16: H Vitodens

    H Order the cylinder temperature sensor integral diagnostic system and fuses. into the boiler. for Vitodens 300 from 49 kW separately Permiss. ambient temperature (see page 17). H in operation: 20 to +130 ºC H during storage Cable length approx.
  • Page 17 Vitotrol 100 (type UTA), Vitotrol 100 (type UTD), Cylinder temperature sensor part no. 7170 149 part no. 7179 059 for Vitodens 300 from 49 kW, part no. 7179 114 Cable length approx. 3.75 m, wired ready to plug in Protection: IP 32 Permiss.
  • Page 18 1.2 Specification Vitotronic 100 accessories Internal extension H 1, part no. 7179 057 PCB for integration into the control unit (Vitodens 333, standard delivery). Using the extension enables the following functions to be achieved: Function Rated breaking capacity of the relay output H Connection of an external safety solenoid valve (LPG) 1 (0.5) A 250 V~...

  • Page 19: H Vitodens

    Integrated in Vitodens H Weather-compensated, digital boiler H Digital time switch for day and week H Integrated diagnostic system circuit control for Vitodens in programming with four programmable H Integral cylinder thermostat modulating operating mode intervals each per day for reduced...
  • Page 20 H Order the cylinder temperature sensor Adjusting both heating curves matches loss header), connect a temperature for Vitodens 300 from 49 kW separately the boiler water temperature and the flow sensor for use in the low loss header (see (see page 28).

  • Page 21: H Vitotronic 333 Cascade Control Unit For Multi-Boiler Systems

    1.2 Specification Vitotronic 333 cascade control unit for multi-boiler systems Cascade control unit Vitotronic 333, type MW2, for Vitodens 300 with Vitotronic 100 Economical and safe heating system operation through Vitotronic digital control system with communication capability. Tailored to every need, covering all known control strategies and applications.
  • Page 22 Rated frequency: 50 Hz unit with plain text support. up to four Vitodens 300 with Rated current: The control unit contains the following: Vitotronic 100, type HC1, in modulating Power consumption: 10 W System ON/OFF switch, electronic mode.
  • Page 23 +1 ºC, i.e. the heating circuit pumps are started and the flow is maintained at a lower temperature of approx. 10 ºC. H stopped if the outside temperature exceeds approx. +3 ºC. i.e. the heating circuit pumps are switched OFF . VITODENS...
  • Page 24 The set room temperature for reduced H in standard mode: 10 to 30 ºC, mode is adjusted on the control unit. adjustable from 3 to 23 ºC or 17 to 37 ºC H in reduced mode: 3 to 37 ºC VITODENS...
  • Page 25 H Never route this lead immediately next to 230/400 V cables. Safety class: Protection: IP 30 to EN 60529, safeguard through design/ installation Permissible ambient temperature H in operation: 20 to +40 ºC H during storage and transport: 20 to +65 ºC VITODENS...
  • Page 26 1.2 Specification Vitotronic 200 accessories Internal extension H 1, part no. 7179 057 PCB for integration into the control unit (Vitodens 333, standard delivery). Using the extension enables the following functions to be achieved: Function Rated breaking capacity of the relay output H Connection of an external safety solenoid valve (LPG) 1 (0.5) A 250 V~...
  • Page 27 (contact temperature sensor). Mixer motor " The mixer regulator is mounted directly on the Viessmann mixer DN 20 to 50 and The temperature limiter is installed into the R ½" to 1¼". heating flow and switches the heating circuit The mixer regulator is a motorised control pump OFF if the flow temp.
  • Page 28 Cylinder temperature sensor H to default a set flow temperature via a Connecting cable extension for Vitodens 300 from 49 kW, 0 10 V input for one temperature part no. 7179 114 range from 10 to 100 ºC...

  • Page 29: Selection Guide For Dhw Cylinders

    In order to provide the right solution for Various factors should be taken into Information about water quality: every case, Vitodens may be supplied consideration when designing heating From a water hardness of 20º dH and with integral, direct DHW heating...
  • Page 30 1.3 Selection guide for DHW cylinders Instantaneous water heater Instantaneous water heater (Vitodens 200, gas fired combination boiler) An electronically regulated plate heat This makes DHW at drawing temperature exchanger is integrated into the instantly available from Vitodens for Vitodens 200.
  • Page 31 1.3 Selection guide for DHW cylinders Standby instantaneous water heater Standby instantaneous water heater (Vitodens 300, gas fired combination boiler) An electronically regulated standby The instantaneous water heater is held at This enables Vitodens to make DHW instantaneous water heater is integrated...
  • Page 32 1.3 Selection guide for DHW cylinders DHW cylinder Separate DHW cylinders For increased DHW convenience separate Vitodens 200 and 300 (up to 35 kW) as Determine the DHW cylinder size in DHW cylinders are available in white boilers are intended (as ex works version)

  • Page 33: Dhw Cylinder

    DHW cylinders with a " W" in the product designation are supplied in white, and those marked with a " B" or " V" are supplied in Vitosilver. Vitodens 200 gas fired boiler, DHW cylinder allocation Practical DHW cylinder allocation (cylinder capacity in litres)

  • Page 34: Dhw Circulation

    Vitodens 200 and 300 Wall mounted DHW cylinder DHW cylinder installed below boiler DHW cylinders installed adjacent to boiler...

  • Page 35: Dhw Cylinder Specification

    1.5 DHW cylinder specification Wall mounted Vitocell W 100 (type CWG 80 litres) Wall mounted Vitocell W 100 (type CWG 80 litres) made from steel with Ceraprotect enamel coating (Optional installation on the l.h. or r.h. side of Vitodens) Capacity litres Connections...
  • Page 36 Actual values to DIN 4753 8. Actual values are based on a room temperature of +20 ºC and a DHW temperature of 65 ºC and may vary by 5 %. Including distance from the wall. Compulsory in conjunction with safety assemblies used with pressure reducers. Otherwise, recommendation only. VITODENS...
  • Page 37 Width View from above WW KW Z HV TH Top view with casing to cover Key to symbols interconnecting Drain pipes Heating return Heating flow Cold water Sensor well for cylinder temperature sensor WW Hot water DHW circulation VITODENS...
  • Page 38 Dimensions Capacity litres 1050 1270 1600 1115 Width Key to symbols Drain Heating return Heating flow KW/E Cold water WW Hot water Sensor well for cylinder temperature sensor Inspection and clean-out aperture only for 300 litres capacity. DHW circulation VITODENS...
  • Page 39 Actual values to DIN 4753 8. Actual values are based on a room temperature of +20 ºC and a DHW temperature of 65 ºC and may vary by 5 %. Pressure drop on secondary side, see page 41. Dimensions Capacity litres 1097 1204 1067 1287 Width Key to symbols Drain Heating return KW/E Heating flow Cold water WW Hot water DHW circulation VITODENS...
  • Page 40 Heating flow boiler Width Heating flow solar circuit Cold water Sensor well for cylinder temperature sensor at height of HV Sensor well for lower thermometer KW/E sensor (thermometers are accessories) at height of HV WW Hot water DHW circulation VITODENS...
  • Page 41 Vitocell W 100 (type CVA) A 160 and 200 litres B 300 litres DHW volume in l/h DHW volume in l/h Vitocell W 300 (type EVA) Vitocell W 100 (type CVB) DHW volume in l/h DHW volume in l/h VITODENS...

  • Page 42: Installation Accessories Vitodens 200 And 300 (Up To 35 Kw)

    1.6 Specification Installation accessories 1.6 Installation accessories Vitodens 200 and 300 (up to 35 kW) Gas fired boiler Type of wall mounting Routing pipes Type of installation Required accessories Required accessories without DHW cylinder without DHW cylinder Installation directly on wall...
  • Page 43 Vitodens 300, 4.5 12 kW part no. 7178 347 with compression fittings part no. 7178 345 part no. 7178 349 Vitodens 200 and Vitodens 300, 6.6 35 kW with solder fittings part no. 7178 344 part no. 7178 348 Installation template Installation template part no.
  • Page 44 Z002 350 Installation on unfinished Installation template walls part no. Z002 349 Vitodens 300 installation in front of wall Vitodens 300 installation in front of wall Vitodens 300 installation in front of wall Installation on finished walls Compression...

  • Page 45: Installation Accessories

    1.6 Specification Installation accessories Vitodens 333 compact gas fired boiler Type of installation Required accessories Required accessories Type of wall mounting Routing pipes Installation in front of wall Installation on finished walls Compression Connection set below fittings part no. 7179 419...

  • Page 46: General Installation Recommendations

    (sealed system). According to EN 12828, special low water For Vitodens 200 and 300 to 35 kW, There are no applicable special standards. level protection can be omitted for boilers...

  • Page 47: Positioning, Installation

    Vitodens 300 with 66 kW windows with duct ventilation Vitodens and the flue pipe system do not Install Vitodens 300 with 66 kW in H Rooms in which explosive or flammable exceed a surface temperature of 85 ºC at...

  • Page 48: H Installation Conditions For Balanced Flue Operation

    (cooker hoods etc.) are not required with balanced flue operation. Vitodens 300 with 66 kW Install Vitodens 300 with 66 kW in accordance with the Combustion Order (FeuVo) [or local regulations] in a separate boiler room. Fit the mains electrical isolator outside the installation room.

  • Page 49: H Electrical Protection Range

    Vitodens offers electrical protection to IP X4 D. Vitodens may be installed in area 1, if hosed water (e.g. through massage showers) is excluded. VDE 0100 specifies that cables to supply...

  • Page 50: H Electrical Connection

    OFF via the adaptor when boiler. the burner is started. Cables inside the marked area (see fig.) should protrude H for Vitodens 200 and 300 min. 1 200 mm Mains electrical connection of H for Vitodens 333 min. 2000 mm accessories from the wall.
  • Page 51 2.3 Installation in unfinished buildings (on finished walls) Pre-installation in unfinished buildings for subsequent installation of Vitodens 200 and 300 (up to 35 kW) directly on the wall installation on finished walls Required accessories for installations Additional requirements when Note...
  • Page 52 2.3 Installation in unfinished buildings on unfinished walls Pre-installation in unfinished buildings for subsequent installation of Vitodens 200 and 300 (up to 35 kW) directly on the wall installation on unfinished walls Required accessories for installations Additional requirements when Note...
  • Page 53 2.3 Installation on unfinished walls (mounting frame) Pre-installation with a mounting frame on unfinished walls Mounting frame with expansion vessel for Vitodens 300 (up to 35 kW) Mounting frame With diaphragm expansion vessel (capacity 11 litres), valves, fixing parts and gas angle valve G ¾" incl. thermal...

  • Page 54: Installation On Unfinished Walls

    2.3 Installation on unfinished walls Installation in front of wall Vitodens 200 and 300 Self-supporting mounting frame for Vitodens and wall mounted DHW cylinders (80 litres capacity). Suitable for wall mounting, for self-supporting freestanding installation or covering with various materials.
  • Page 55 2.3 Installation on unfinished walls Pre-installation on unfinished walls Vitodens 333 With connection set (part no. 7179 419) Note for gas, primary and secondary Ensure a clearance of 700 mm in front of connection of on-site pipes/lines from Vitodens is maintained for service work.
  • Page 56 2.3 Installation on unfinished walls Pre-installation on unfinished walls Vitodens 333 Without connection set or with connection set for on-site connection (part no. 7179 420) Key to symbols A Vitodens 333 (external dimensions) Gas connection G ¾" B Area for electrical supply cables.
  • Page 57 WW Hot water G c" DHW circulation G1" Boiler plinth H height adjustable, for screed floors 10 to 18 cm H for installation of Vitodens 333 on the unfinished floor H with knockout apertures for on-site pipes A Knockout apertures...

  • Page 58: Replacing Equipment By Alternative Manufacturers

    2.4 Replacing equipment by alternative manufacturers Vitodens 200 and 300 (6.6 to 35 kW) as replacement for third party boilers Using an adaptor, Vitodens may be fixing parts are offered as accessories for Generally, where a gas fired water heater...
  • Page 59 2.4 Replacing equipment by other manufacturers Replacing Thermoblock VC/ VCW Open flue operation Balanced flue operation Thermoblock Thermoblock Vitodens dimensions dimensions Dim. Installation on Installation on unfinished walls finished walls Existing water connections have identical dimensions. a mm 1 053...

  • Page 60: Connections On The Gas And The Water Side

    DN 15 DN 20 DN 25 DN 32 Example: Vitodens 300, 35 kW, natural gas E Required pipe diameter Straight pipe length of the gas (according to table): DN 25 supply pipe: 28 m 6 bends 90º...
  • Page 61 2.5 Connections on the gas and the water side DHW connection on Vitodens 200 and 300 gas fired combination boiler For the DHW connection, connection sets Note when using this feature in If DHW should be drawn simultaneously for installation on finished walls or for...
  • Page 62 According to DIN 1988 2, a drinking water filter should be installed in systems with metal pipework. DIN 1988 and Viessmann also recommend the installation of a drinking water filter when using plastic pipes, to prevent contamination entering the DHW system.

  • Page 63: H Condensate Connection

    Install a retaining loop in the condensate The consistency of condensate drained drain to prevent flue gases from from Vitodens condensing boilers meets escaping. the requirements specified in the Code of Practice ATV DVWK A 251.
  • Page 64 Neutralising system Neutralising system for single boiler systems for multi-boiler systems H for Vitodens 200, 300 (to 35 kW) and 333 part no. 7226 141 part no. 7252 666 DN 40 H for Vitodens 300 with 49 and 66 kW part no.

  • Page 65: Water Connections

    Vitolig. the infusion of oxygen through the pipe walls. Provide system separation in Do not install Vitodens 333 in dual mode underfloor heating systems for systems with solid fuel boilers. non-impermeable plastic pipes (DIN 4726).
  • Page 66 1000 1100 1200 1300 1400 Volume flow in litres/h Pressure drop (primary circuit) Vitodens 200 For sizing an on-site heating circuit pump if the integral circulation pump is not operated as heating circuit pump. 1000 1500 2000 Flow rate in litres/h...

  • Page 67: Vitodens

    3.1 Water connection Vitodens 300, 4.5 to 12.0 kW on request Variable speed heating circuit pump The pump speed and therefore the flow Individually match the minimum and Using the diagram, the flow rate can be rate is relayed to the pump, and is set by...

  • Page 68: Condenser Mf

    2000 2200 2400 2600 Volume flow in litres/h Example Curve Circulation pump Code address H Vitodens 300, 12.2 to 49 kW capacity setting E 6 H Design temperatures 75/55 ºC 30 % E 6:030 H Radiator heating system, 40 %...

  • Page 69: Pressure Drop (Primary Circuit) Vitodens

    3.1 Water connection Pressure drop (primary circuit) Vitodens 300 and 333 For the design of an on-site heating circuit pump. 1000 1000 1500 2000 2500 3000 3500 Flow rate in litres/h A Vitodens 300 up to 35 kW and B Vitodens 300 from 49 kW...

  • Page 70: Installation Examples

    DHW is heated by an integral instantaneous water heater. In that case, the cylinder temperature sensor is factory-fitted to the boiler. System design 1 Vitodens 200 or 300 with/without DHW heating with one heating circuit without mixer A Vitodens C Vitotrol 100 for constant temperature...

  • Page 71: H Vitodens 300 (From 49 Kw)

    3.2 Installation examples System design 2 System design 2 Vitodens 200 or 300 with/without DHW heating with one heating circuit without mixer and one heating circuit with mixer A Vitodens with weather-compensated E Radiator heating circuit L Three-way mixer control unit...
  • Page 72 3.2 Installation examples System design 3 System design 3 Vitodens 200 or 300 with/without DHW heating with one heating circuit without mixer and one heating circuit with mixer plus system separation A Vitodens with weather-compensated F Maximum temperature limiter M Plate heat exchanger for system...

  • Page 73: System Design 4

    3.2 Installation examples System design 4 System design 4 Vitodens 300 with/without DHW heating with one heating circuit without mixer with separate heating circuit pump and one heating circuit with mixer A Vitodens with weather-compensated D Vitotrol L Regulating valve...
  • Page 74 3.2 Installation examples System design 5 System design 5 Vitodens 200 or 300 with/without DHW heating with one heating circuit with mixer (with extension kit), one heating circuit with mixer (with Vitotronic 050) and low loss header 230V~ A Vitodens with weather-compensated...
  • Page 75 3.2 Installation examples System design 5 Equipment required Item Description Number Part no. Vitodens 200 or 300 with weather-compensated control unit as per price list and LON communication module 7179 113 and LON cable 7143 495 and LON terminator (2 pieces)
  • Page 76 3.2 Installation examples System design 6 System design 6 Vitodens 200 or 300 with one heating circuit without mixer, solar panels and a Vitocell W 100 (type CVB) installed adjacent to the boiler A Vitodens G Cylinder temperature sensor for solar...
  • Page 77 3.2 Installation examples System design 6 Equipment required Item Description Number Part no. Vitodens 200 or 300 as per price list Cylinder temperature sensor Standard delivery connection set for DHW cylinder DHW cylinder Vitocell W 100 (type CVB) as per price list...
  • Page 78 3.2 Installation examples System design 7 Installation examples Vitodens 333 System design 7 Vitodens 333 with one heating circuit without mixer A Vitodens 333 D Heating circuit KW Cold water B Outside temperature sensor (only for E DHW loading cylinder...
  • Page 79 3.2 Installation examples System design 8 System design 8 Vitodens 333 with one heating circuit with mixer and low loss header A Vitodens 333 with H Regulating valve KW Cold water weather-compensated control unit K Three-way mixer WW Hot water...
  • Page 80 3.2 Installation examples System design 9 System design 9 Vitodens 333 with one heating circuit without mixer and one heating circuit with mixer A Vitodens 333 with G Flow temperature sensor KW Cold water weather-compensated control unit H Heating circuit pump (on site)
  • Page 81 3.2 Installation examples System design 10 System design 10 Vitodens 333 with one heating circuit without mixer and one heating circuit with mixer plus system separation A Vitodens 333 with H Heating circuit pump (on site) KW Cold water weather-compensated control unit...
  • Page 82 3.2 Installation examples System design 11 System design 11 Vitodens 333 with one heating circuit with mixer (with extension kit), one heating circuit with mixer (with Vitotronic 050) and low loss header 230V~ A Vitodens 333 with K Regulating valve...
  • Page 83 3.2 Installation examples System design 11 Equipment required Item Description Number Part no. Vitodens 333 with control unit for weather-compensated mode as per price list and LON communication module 7179 113 and LON cable 7143 495 and LON terminator (2 pieces)
  • Page 84 3.2 Installation examples System design 12 Installation example Vitodens 300 (from 49 kW) System design 12 Vitodens 300 (from 49 kW) with/without DHW heating with one heating circuit without mixer A Vitodens 300 (from 49 kW) D Heating circuit Note...
  • Page 85 3.2 Installation examples System design 13 System design 13 Vitodens 300 (from 49 kW) with/without DHW heating with one heating circuit without mixer plus system separation A Vitodens 300 (from 49 kW) with H Plate heat exchanger for system O Cylinder temperature sensor...
  • Page 86 3.2 Installation examples System design 14 System design 14 Vitodens 300 (from 49 kW) with/without DHW heating with low loss header, one heating circuit without mixer and one heating circuit with mixer A Vitodens 300 (from 49 kW) with H Heating circuit pump (heating circuit...
  • Page 87 3.2 Installation examples System design 15 System design 15 Vitodens 300 (from 49 kW) with/without DHW heating with three or more heating circuits with mixer and low loss header A Vitodens 300 (from 49 kW) with F Heating circuit pump...
  • Page 88 System design 15 Equipment required Item Description Number Part no. Vitodens 300 (from 49 kW) with control unit for weather-compensated mode as per price list and LON communication module 7179 113 and LON cable 7143 495 and LON terminator (2 pieces)
  • Page 89 3.2 Installation examples System design 16 System design 16 Multi-boiler system with Vitodens 300 (from 49 kW) with/without DHW heating with several heating circuits with mixer and low loss header A Vitodens 300 (from 49 kW) with F Heating circuit pump...

  • Page 90: Expansion Vessels

    Vitodens 200. H A mounting frame with expansion vessel (11 litres capacity) and valves is available as accessory for Vitodens 300. H An expansion vessel (12 litres capacity) is integrated into Vitodens 333. The size of the expansion vessel is...
  • Page 91 3.3 Expansion vessels Testing the integral expansion vessel or the expansion vessel fitted to the mounting frame Integral expansion vessel in Vitodens 200 Integral expansion vessel in Vitodens 333 When making the water connections, Inlet pressure 0.75 bar Inlet pressure 0.75 bar...

  • Page 92: Low Loss Header

    1 600 volume flow which occurs in the total diagrams, alternatively the variable speed 8.7 35.0 kW system. pump for Vitodens 300 and 333 can be Vitodens 300, 3 500 adjusted accordingly. 12.2 49.0 kW The low loss header de-couples the heat...
  • Page 93 Dim. a 1 400 1 450 1 000 1 000 1 000 1 000 Low loss header with distributor/manifold for multi-boiler systems with 2 to 4 Vitodens 300, 49/66 kW Cascade Unit Boiler Number Width 1 600 2 390 3 090...

  • Page 94: Installation Accessories

    3.5 Installation accessories Heating circuit Accessories for the installation of Vitodens 200 and 300 to 35 kW For further details of accessories, see datasheet and price sheet Installation directly on a wall Gas fired condensing combination boiler Gas fired condensing boiler...

  • Page 95: Heating Circuit

    H DHW cylinder installed adjacent to a (for self-supporting installation) wall mounted boiler H Freestanding DHW cylinder installed adjacent to the boiler H DHW cylinder installed below the boiler (when fitted on finished walls) VITODENS...
  • Page 96 3.5 Installation accessories DHW cylinder Accessories for the installation of Vitodens 200 and 300 (up to 35 kW) Connection between Vitodens and the DHW cylinder Connection set for wall mounted DHW cylinder Vitocell W 100 comprising: H Cylinder temperature sensor (not shown)
  • Page 97 3.5 Installation accessories Heating circuit Accessories for the installation of Vitodens 300 with 49 and 66 kW Straight-through gas valve R ¾" Shut off valves Solder fittings (1 set) G 1½" DN 35 with integral thermal safety shut-off valve Set of ball shut-off valves (2 pieces) incl.
  • Page 98 3.5 Installation accessories Heating circuit Installation accessories for Vitodens 333 Connection set complete Connection set DHW circulation pump connection set for gas, primary and secondary for on-site connection from below, top or for integration into Vitodens 333, connection of on-site lines from below...

  • Page 99: Flue Gas Systems

    The flue pipe available as an accessory room). individual cases has been approved with An installation of Vitodens in the living H According to the Landesbauordnung, certificate Z 7.2 1104 and Z 7.2 3028. area is feasible, subject to the flue pipe some Federal States (e.g.

  • Page 100: H Open Flue Operation

    When using aluminium flue pipes, we TRGI '86/96. test) during commissioning by the flue recommend the use of a condensate trap. A common approval for Vitodens and gas inspector. The balanced flue system is balanced flue systems applies to this type...
  • Page 101 4.1 Flue gas systems Approval certificates for the PPs flue gas systems for Vitodens VITODENS...
  • Page 102 The combustion air is drawn in via the balanced flue air inlet terminal. For a detailed description, see page 117. A Flue gas B Ventilation air VITODENS...
  • Page 103 For a detailed description, see page 115. A Flue gas B Ventilation air Several Vitodens in the living area or in occupied rooms (living area rated output x 50 kW) Installation on different floors (type C , according to TRGI '86/96)
  • Page 104 (separate ventilation aperture with a cross-section of 150 cm or 2 × 75 cm required) Inside the installation location (non living area) with one or several full floors above (compulsory for Vitodens 300 with 66 kW) Routing through a duct (type B...
  • Page 105 4.1 Flue gas systems Flue gas routing for several Vitodens 300 (from 49 kW) overpressure Type B , according to TRGI '86/96 Several heat generators inside the same room draw combustion air from the atmosphere via ventilation apertures, and route the flue gas through a common flue pipe to the atmosphere via the roof.

  • Page 106: Design And Sizing Information For Flue Pipe Connections

    80 (flexible, If flue pipes other than those offered as without unions) accessories (which are approved with Vitodens as one technical unit) are used, 80 (flexible, the flue gas system must be checked for with unions) leaks by the flue gas inspector prior to commissioning.
  • Page 107 D Union = ¼ of vertical length or max. 3 m D Union = ¼ of vertical length or max. 3 m D Union = ¼ of vertical length or max. 3 m Balanced flue adaptor for system 80/125 to system 60/100 and 70/110 80/125 60/100 VITODENS...
  • Page 108 Example: (incl. support bends) from/add to the given max. length 1 m for Vitodens 300, 6.6 26.0 kW, with 3 bends 3 bends of 45º 87º bends, 0.5 m for 45º bends or 2 m for 87º and 2 m length of union D: 0.5 m length of union D and an internal...
  • Page 109 4.2 Design and sizing information for flue pipe connections Vitodens in conjunction with solid fuel boilers Routing the flue pipe in a twin duct According to the recommendation of the Federal Association of chimney sweeps (ZIV bulletin no. 1.3.02 T) [Germany], it is possible to...
  • Page 110 4.2 Design and sizing information for flue pipe connections Flue pipe, flexible, system size 60 and 80 (components) for Vitodens up to 35 kW (type C , according to TRGI '86/96) Rated output 12 26 35 System size ∅ mm...
  • Page 111 Max. total length of the flue pipe up to the flue outlet with flexible flue pipe Vitodens 200 Rated output range 8.8 26.0 Max. length Vitodens 300 up to 35 kW and Vitodens 333 Rated output range 4.5 12.0 6.6 26.0 8.7 35.0 Max.
  • Page 112 It was verified as part of the CE approval Vertical flat roof terminal is installed in attics test that nowhere on Vitodens or the Integrate the flat roof collar into the roof balanced flue system surface will skin according to the flat roof guidelines The roof terminal may only be used temperatures higher than 85 ºC occur.
  • Page 113 H ∅ 70/110 mm to ∅ 80/125 mm Max. total length of the flue pipe Vitodens 200 Rated output range 8.8 26.0 a (max. length) b (min.) Vitodens 300 and Vitodens 333 Rated output range 4.5 12.0 6.6 26.0 8.7 35.0 12.2 49.0 16.6 66.0 a (max.
  • Page 114 For a different number of bends, deduct It was verified as part of the CE approval from/add to the given max. extended length test that nowhere on Vitodens or the 1 m for 87º bends or 0.5 m for 45º bends. balanced flue system surface will temperatures higher than 85 ºC occur.
  • Page 115 4.2 Design and sizing information for flue pipe connections Plastic (PPs) balanced flue system for separate ventilation and flue gas routing for Vitodens up to 35 kW (type C , according to TRGI '86/96) Vitodens may be operated with separate...
  • Page 116 Max. total length of the flue pipe up to the boiler adaptor for routing through the duct Vitodens 200 Rated output range 8.8 26.0 Max. length Vitodens 300 up to 35 kW and Vitodens 333 Rated output range 4.5 12.0 6.6 26.0 8.7 35.0 Max.
  • Page 117 4.2 Design and sizing information for flue pipe connections Plastic (PPs) balanced flue system (BF) for routing over external walls (type C according to TRGI '86/96) Vitodens may also be connected, without H Vitodens 12 kW: Depending on the length of pipe protruding above the roof, various duct, to a flue pipe on an external wall.
  • Page 118 Example: (incl. support bends) deduct from/add to the given max. length Vitodens 300, 6.6 26.0 kW, with 3 bends 87º 3 bends of 45º 1 m for 87º bends or 0.5 m for 45º bends. and 3 m length of union D: and 2.5 m length of union D.
  • Page 119 DIN 18160 1 or must have Building above where Vitodens is installed, a space- The installed duct must meet the Regulation approval. Duct profiles made by Skoberne (made from breeze blocks)
  • Page 120 A PROMATECT® coupling B PROMATECT® profile C Flue pipe Roof terminal for ducts with Promat profiles Vitodens flue gas system components During installation, match the final duct A Vertical coaxial roof terminal profile to the roof inclination. B Universal roof tile C Lightweight duct made with PROMATECT®...
  • Page 121 Plastic (PPs) balanced flue system for routing multiple pipes through an air/flue gas chimney (LAS chimney negative pressure) (type C , according to TRGI '86/96) The Vitodens condensing boiler meets the safety requirements in accordance with DIN 3368 6. Therefore, general Building Regulations approval for connection to a LAS system is not required.
  • Page 122 Open flue operation requires a flue pipe H Vitodens 12 kW: Prior to installation, the flue gas inspector as a union between Vitodens and the duct Int. dia. flue pipe ∅ 60 mm should check whether the duct to be used as well as for routing through the duct.
  • Page 123 87º (1 piece) A Secondary ventilation B Flue gas C Inspection aperture D Union E Ventilation aperture, min. 150 cm or 2 × 75 cm up to 49 kW or min. 170 cm at 66 kW F Ventilation air VITODENS...
  • Page 124 Example: (incl. support bends) deduct from/add to the given max. length Vitodens 300, 6.6 26.0 kW, with 3 bends 87º 3 bends of 45º 1 m for 87º bends or 0.5 m for 45º bends. and 1 m length of union D: and 0.5 m length of union D.
  • Page 125 4.2 Design and sizing information for flue pipe connections Flue pipe, flexible, system size 80 (components) for Vitodens up to 35 kW (type B , according to TRGI '86/96) Rated output 12 26 35 System size ∅ mm 1 Boiler adaptor...
  • Page 126 4.2 Design and sizing information for flue pipe connections Special designs: open flue operation with combustion air supply via connection to the ambient air for Vitodens up to 35 kW (type B according to TRGI '86/96) Vitodens may also be installed in...
  • Page 127 4.2 Design and sizing information for flue pipe connections Connection with plastic flue pipe (PPs) to a moisture-resistant chimney (MR chimney negative pressure) (type B according to TRGI '86/96) Vitodens condensing boilers may be A flue pipe which is pressure sealed and Addresses: connected to moisture-resistant chimneys...
  • Page 128 TRGI '86/96 point 5.5.4 or local with the selected flue pipe diameter (for regulations). sizing tables, see page 130). Example: Vitodens 200, 4 × 66 kW Total rated output 264 kW 150 cm + 190 × 2 cm = 530 cm 2 ×...
  • Page 129 2 m long (2 pieces = 4 m long) 2 m long (1 piece) 1 m long (1 piece) 0.5 m long (1 piece) 9 Spacers (3 pieces, max. clearance 5 m) qP Air vent cover ∅ 125, 150 or 200 mm VITODENS...
  • Page 130 4.2 Design and sizing information for flue pipe connections Max. total length of the flue pipe Vitodens 300 2 × 49 2 × 66 3 × 49 3 × 66 4 × 66 Rated output (total) Max. length of the total horizontal connection pipe...
  • Page 131 3º. matched up on site. Given a clearance of 100 mm respectively between the boilers, the unions between the boiler and the non-return valve should be trimmed in accordance with the dimensions b1 to b4 shown in the table. VITODENS...
  • Page 132 4.2 Design and sizing information for flue pipe connections Multi-boiler systems with flue gas systems negative pressure Vitodens 200 and 300 Size to EN 13384. The flue gas header in the negative pressure area should be provided on site. Suitable components may be obtained...

  • Page 133: Details Of Plastic Flue Gas Systems

    System size ∅ 60 and 80 mm System size ∅ 60 and 80 mm System size ∅ 100 mm System size ∅ 100 mm System Dimension System Dimension System Dim. size [mm] size [mm] size [mm] ∅ mm ∅ mm ∅ mm VITODENS...
  • Page 134 [mm] ∅ mm Reducer ∅ 125/110 Balanced flue outside wall terminal (incl. wall bezels) (Standard delivery balanced flue roof terminal system size ∅ 80 mm) Only for system size ∅ 60 mm and 80 mm max. 200 max. 500 VITODENS...
  • Page 135 External terminal External inspection piece Balanced flue bend (45º) System Dimension System Dimension System Dimension size [mm] size [mm] size [mm] ∅ mm ∅ mm ∅ mm 110 150 40 170 110 150 Use balanced flue components (see page 133). VITODENS...
  • Page 136 (fixing material for the duct cover is part of the standard delivery) Standard pack 3 pieces (used for internal duct dimensions of 130 × 130 mm to 250 × 250 mm or ∅ 150 mm to ∅ 300 mm) System Dimension size [mm] ∅ mm VITODENS...
  • Page 137 System size ∅ 80 mm System size ∅ 100 mm System Dimension System Dimension System Dimension size [mm] size [mm] size [mm] ∅ mm ∅ mm ∅ mm 60 142 130 Ventilation flashing System Dimension size [mm] ∅ mm A Spacer VITODENS...
  • Page 138 Pipe lowering attachment with 20 m rope Spacers Duct cover Standard pack 5 pieces with terminal piece (applicable for internal shaft dimensions 130 × 130 mm to 250 × 250 mm or ∅ 150 mm to ∅ 300 mm) VITODENS...
  • Page 139 Ventilation pipe Ventilation air bend (87º) Ventilation air bend (45º) (these pipes may be trimmed Standard pack 2 pieces as required) 500/1000 Balanced flue tee C 8 Ventilation air damper System size ∅ 60 mm System size ∅ 80 mm VITODENS...
  • Page 140 4.3 Flue gas system components Multi-boiler system components Flue gas collector pipe End piece with condensate drain 1000 Siphon Non-return valve Flue pipe 250 mm long VITODENS...
  • Page 141 D Thermal insulation E Insulation E Insulation E Insulation E Insulation F Ceiling F Ceiling F Ceiling F Ceiling G Vertical coaxial roof terminal G Vertical coaxial roof terminal G Vertical coaxial roof terminal G Vertical coaxial roof terminal VITODENS...
  • Page 142 System size ∅ 80 mm Offset A (mm) 150 200 250 300 350 390 Extension B (mm) Height C (mm) System size ∅ 100 mm Offset A (mm) 200 250 300 350 390 Extension B (mm) Height C (mm) VITODENS...

  • Page 143: Regulations And Guidelines

    5.1 Regulations and guidelines The design and operational characteristics Only qualified personnel must carry out We recommend that you carry out of Vitodens gas fired condensing boilers the installation, the mains gas and flue maintenance and cleaning procedures from Viessmann comply with the gas connections, the commissioning, the annually.

  • Page 144: Keyword Index

    27 Subject to technical modifications. External wall ducting, 117 External wall terminal, 114 Extraction devices, interlocking, 50 Viessmann Limited Viessmann Werke GmbH & Co Hortonwood 30, Telford D 35107 Allendorf Shropshire, TF1 7YP , GB Tel: +49 6452 70 0...

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